Add utils + refacto

Assets/Unheimlich_POC/Scripts/Managers/PlayerInputManager.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 using UnityEngine.InputSystem;
+using Unheimlich.Core;
 using Unheimlich.Gameplay.Player;
 
 namespace Unheimlich.Managers
@@ -10,7 +11,7 @@ namespace Unheimlich.Managers
     /// Supports different input contexts (Normal, Dialogue, Listening) to control which inputs are active.
     /// </summary>
     [RequireComponent(typeof(PlayerInput))]
-    public class PlayerInputManager : MonoBehaviour
+    public class PlayerInputManager : Singleton<PlayerInputManager>
     {
         /// <summary>
         /// Defines different input contexts that control which player actions are enabled.
@@ -22,8 +23,6 @@ namespace Unheimlich.Managers
             Listening    // Only look enabled, movement disabled (for diapason camera pan)
         }
 
-        public static PlayerInputManager Instance { get; private set; }
-
     [Header("Input Values (Read only)")]
     public Vector2 MoveInput; 
     public Vector2 LookInput; 
@@ -44,15 +43,8 @@ namespace Unheimlich.Managers
     private PlayerLook _playerLook;
     private CameraHeadBob _headBob;
 
-    private void Awake()
+    protected override void OnAwake()
     {
-        if (Instance != null && Instance != this)
-        {
-            Destroy(this);
-            return;
-        }
-        Instance = this;
-
         IsInputEnabled = true;
         
         PlayerInput playerInput = GetComponent<PlayerInput>();